The Adams Arms GasPiston System is an end user-installed, after-market product for Mil-Spec ARs. It will fit on any AR barrel with a .750-inch or 3/4-inch diameter at the shoulder where the front sight base sits. The carbine version will work on barrel lengths of 10.5-inch to 16-inch that have an…

…Tab for Rock-solid Locking* Accommodates Low-profile Gas Block* Ergonomic Slim Tubular Profile for Most Positive Handling NOTE: This rail system is designed to fit with standard AR15 gas tubes. The compatibility with any special piston system is not guaranteed. Also, the rail system works…

The Slide Fire 2-piece hand guard is designed with upper and lower heat shields for maximum cooling. It accommodates gaspiston or direct gas impingement systems and is designed to fit AR-15 platform carbine length rifles. The high strength polymer material is half the weight of aluminum hand…

The Magpul MOE M-LOK Hand Guard (Magpul Original Equipment) for AR15/M4 firearms with carbine-length gas systems combines the light weight of a standard hand guard with modular flexibility. Designed with versatility in mind, M-LOK slots at the two, six, and ten o'clock positions allow the attachment…

The Magpul MOE M-LOK Hand Guard (Magpul Original Equipment) for AR15/M4 firearms with carbine-length gas systems combines the light weight of a standard hand guard with modular flexibility. Designed with versatility in mind, M-LOK slots at the two, six, and ten o'clock positions allow the attachment…

…Earth Cerakote Finish for Best Corrosion and Wear Resistance NOTE: This rail system is designed to fit with standard AR15 gas tubes. The compatibility with any special piston system is not guaranteed. Also, the rail system works with standard AR15 upper receivers. It may not be compatible with any…

…Bronze Cerakote Finish for Best Corrosion and Wear Resistance* Simple and User Friendly Installation with Easy to Follow Instructions Included* Designed to Fit with Standard Gas Tube and Barrel Diameter Not Exceeding 1" Not Compatible with Piston System, Re-designed or Over-sized Upper Receivers

The Magpul MOE M-LOK Hand Guard (Magpul Original Equipment) for AR15/M4 firearms with carbine-length gas systems combines the light weight of a standard hand guard with modular flexibility. Designed with versatility in mind, M-LOK slots at the two, six, and ten o'clock positions allow the attachment…